html {
  font-size: 87px;
}
.mytitle {
  font-size: 0.3em;
  color: #666;
  font-weight: bold;
}
.mytitle p {
  display: block;
  margin-block-start: 1em;
  margin-block-end: 1em;
  margin-inline-start: 0px;
  margin-inline-end: 0px;
}
.mytitle:after {
  left: 100%;
}
.mytitle::after {
  position: absolute;
  top: 50%;
  content: "";
  width: 1.63em;
  display: block;
  height: 1px;
  background: #999;
}
